Home / 56,125.80-77,454.03-30,632.37

Finding the Fourth Proportional to 56,125.80, 77,454.03 and 30,632.37

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Solution

The fourth proportional to 56,125.80, 77,454.03 and 30,632.37 is: 42,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125.80 : 77,454.03 = 30,632.37 : x
  2. Step 2: Convert to fraction form
    56,125.80/77,454.03 = 30,632.37/x
  3. Step 3: Cross multiply
    56,125.80x = 77,454.03 × 30,632.37
  4. Step 4: Simplify right side
    56,125.80x = 2,372,600,504.95
  5. Step 5: Solve for x
    x = 2,372,600,504.95/56,125.80
  6. Step 6: Final answer
    x = 42,272.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.